FlyerTalk Forums - View Single Post - Hidden gifs: How do they work?
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Old Oct 12, 2005 | 4:48 pm
  #25  
nmenaker
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it could also be

Originally Posted by ScottC
The gif is usually 1*1 pixel and could simply be hidden as a .
it could also be.

This



a white . or something else, all containing nefarious code. or just enough information to confirm an address.
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